428683 has 2 divisors, whose sum is σ = 428684. Its totient is φ = 428682.

The previous prime is 428677. The next prime is 428693. The reversal of 428683 is 386824.

It is a happy number.

428683 is nontrivially palindromic in base 2.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428683 is a prime.

It is a super-2 number, since 2×428683² = 367538228978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (428633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214341 + 214342.

It is an arithmetic number, because the mean of its divisors is an integer number (214342).

2⁴²⁸⁶⁸³ is an apocalyptic number.

428683 is a deficient number, since it is larger than the sum of its proper divisors (1).

428683 is an equidigital number, since it uses as much as digits as its factorization.

428683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 428683 is about 654.7388792488. The cubic root of 428683 is about 75.4012861336.

It can be divided in two parts, 428 and 683, that added together give a palindrome (1111).

The spelling of 428683 in words is "four hundred twenty-eight thousand, six hundred eighty-three".